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9
Description of Safety Functions
Section 1-4
1-4
Description of Safety Functions
1-4-1
DST1-series Safety I/O Terminals
Safe State
The following status is treated as the safe state by the DST1-series Safety I/O
Terminals.
• Safety outputs: OFF
• Output data to network: OFF
Therefore, the DST1-series Safety I/O Terminals must be used for applica-
tions in which it enters into safe state when the safety outputs turn OFF and
the output data to the network turns OFF.
Self-diagnosis Functions
Self-diagnosis is performed when the power is turned ON and periodically
during operation. If an error occurs, it will be treated as a fatal error (the MS
indicator will light in red), and the safety outputs and output data to the net-
work will turn OFF.
Access Control by Password
After configuration data had been downloaded and verified, the configuration
data within the DST1-series Safety I/O Terminals can be protected by a pass-
word.
Note
Refer to the
System Configuration Manual
(Cat. No. Z905) for password set-
ting.
DeviceNet
Outputs: OFF
Outputs to network: OFF
Inputs
Safe
state
Network Configurator
DST1 Safety I/O Terminal
DeviceNet network
Configuration data
downloaded.
Password setting
Configuration data
Summary of Contents for DST1-ID12SL-1
Page 1: ...OPERATION MANUAL Cat No Z904 E1 06 DeviceNet Safety DST1 series Safety I O Terminals...
Page 2: ......
Page 3: ...DST1 series Safety I O Terminals Operation Manual Revised June 2011...
Page 4: ...iv...
Page 10: ...x...
Page 14: ...xiv...
Page 110: ...86 Remote I O Allocations Section 3 2...
Page 116: ...92 Indicators Section 4 2...
Page 134: ...110 DST1 XD0808SL 1 Section 5 4...
Page 146: ...122 Maintenance Section 7 4...
Page 159: ...135 Logic Terminal Wiring Examples Section 8 3...
Page 160: ...136 Logic Terminal Wiring Examples Section 8 3...
Page 178: ...154 Index...
Page 181: ...157 Revision History...